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Finding the Fourth Proportional to 29,861.54, 44,798.78 and 9,871.88

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Solution

The fourth proportional to 29,861.54, 44,798.78 and 9,871.88 is: 14,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,861.54 : 44,798.78 = 9,871.88 : x
  2. Step 2: Convert to fraction form
    29,861.54/44,798.78 = 9,871.88/x
  3. Step 3: Cross multiply
    29,861.54x = 44,798.78 × 9,871.88
  4. Step 4: Simplify right side
    29,861.54x = 442,248,130.95
  5. Step 5: Solve for x
    x = 442,248,130.95/29,861.54
  6. Step 6: Final answer
    x = 14,809.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.